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Finding the Fourth Proportional to 4,317.88, 5,960.48 and 2,921.44

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Solution

The fourth proportional to 4,317.88, 5,960.48 and 2,921.44 is: 4,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.88 : 5,960.48 = 2,921.44 : x
  2. Step 2: Convert to fraction form
    4,317.88/5,960.48 = 2,921.44/x
  3. Step 3: Cross multiply
    4,317.88x = 5,960.48 × 2,921.44
  4. Step 4: Simplify right side
    4,317.88x = 17,413,184.69
  5. Step 5: Solve for x
    x = 17,413,184.69/4,317.88
  6. Step 6: Final answer
    x = 4,032.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.